Manduca incisa is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

 family. It is known from Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 and Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

.

It is similar in appearance to several other members of the Manduca

Manduca

Manduca is a moth genus of the Sphingidae family. The Carolina Sphinx is often used in biological research....

genus, but a number of differences distinguish it from Manduca lefeburii

Manduca lefeburii

Manduca lefeburii is a moth of the Sphingidae family. It is found from Mexico, Belize, Nicaragua and Costa Rica to Venezuela, Bolivia, Paraguay and Brazil.The wingspan is 89-110 mm...

, to which it most closely compares, particularly in the narrow black mesial line on the abdomen upperside, the paler forewing upperside, the somewhat more conspicuous distal costal mark and the more extended apical line.